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Table 4 Heritabilities (± Standard Error) of Responses and Component Traits

From: Aggregate blood pressure responses to serial dietary sodium and potassium intervention: defining responses using independent component analysis

Construct

Variable

Heritability

Ve

Vg

Responses to Intervention (Deltas)

    

Response to Low Sodium Intervention

Δ (L-B) SBP

0.26 (0.10)

0.84

0.30

 

Δ(L-B) DBP

0.31 ( 0.09)

0.76

0.35

Response to High Sodium Intervention

Δ (H-L) SBP

0.24 (0.11)

0.86

0.27

 

Δ (H-L) DBP

0.40 (0.08)

0.64

0.43

Response to Potassium Supplement Intervention

Δ (K-H) SBP

0.39 (0.08)

0.73

0.47

 

Δ (K-H) DBP

0.34 (0.09)

0.72

0.38

Adiposity

    

Body Mass Index

B_BMI

0.60 (0.07)

0.43

0.65

Waist Circumference

B_WST

0.52 (0.07)

0.51

0.55

Component Traits (ICA)

    

Systolic Hypertension

ICA21

0.64 (0.06)

0.36

0.63

 

ICA31

0.63 (0.06)

0.37

0.63

 

ICA42

0.64 (0.06)

0.36

0.64

Generalized Hypertension + anthropometric & delta

ICA22

0.34 (0.09)

0.66

0.34

+ anthropometric

ICA33

0.44 (0.08)

0.55

0.44

 

ICA43

0.56 (0.06)

0.43

0.55

Response to Intervention

ICA32

0.42 (0.07)

0.58

0.42

 

ICA41

0.40 (0.08)

0.60

0.40

Adiposity

ICA44

0.49 (0.07)

0.51

0.48

  1. Heritability (h2) is computed as (Vg) / (Ve + Vg), where Ve is environmental variance and Vg is genetic variance